Is this word play over "second layer" or something? The Lightning Network is an example of one that's decentralized and keeps users in control of their own fund

Is this word play over "second layer" or something? The Lightning Network is an example of one that's decentralized and keeps users in control of their own funds. All lightning network transactions are settled within normal bitcoin transactions, and any funds locked up within a payment channel can be unlocked by either party without needing cooperation of the other.